gnome-libs compile error (gtk_object_get_arg_type)

[edtawfal value net]

I get this error while making gnome-libs.
I don't see where gtk_object_get_arg_type is declared.

------------------------------------------------------------------
gcc -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I./.. -I/usr/local/include
-I/usr/local/lib/glib/include -I/usr/X11R6/include
-I/usr/local/lib/glib/include -I/usr/local/include -DNEED_GNOMESUPPORT_H
-I../support -I../support -I../intl -I../intl -DGNOMELIBDIR=\"/usr/local/lib\"
-DGNOMEDATADIR=\"/usr/local/share\" -DGNOMEBINDIR=\"/usr/local/bin\"
-DGNOMELOCALSTATEDIR=\"/usr/local/var\"
-DGNOMELOCALEDIR=\"/usr/local/share/locale\" -I/usr/local/lib/glib/include
-I/usr/X11R6/include -I/usr/local/lib/glib/include -I/usr/local/include -g -O2
-Wp,-MD,.deps/gnome-canvas.p -c -fPIC -DPIC gnome-canvas.c
gnome-canvas.c: In function `gnome_canvas_item_new':
gnome-canvas.c:188: `gtk_object_get_arg_type' undeclared (first use this
function)
gnome-canvas.c:188: (Each undeclared identifier is reported only once
gnome-canvas.c:188: for each function it appears in.)
gnome-canvas.c: In function `gnome_canvas_item_set':
gnome-canvas.c:281: `gtk_object_get_arg_type' undeclared (first use this
function)
make[2]: *** [gnome-canvas.lo] Error 1
make[2]: Leaving directory `/usr/src/MORE/gnome-cvs/gnome-libs/libgnomeui'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/src/MORE/gnome-cvs/gnome-libs'
make: *** [all-recursive-am] Error 2